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AP® Physics C: E & M

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Moderate

B-field and E-field

APPHEM-RUJ40K

A positive charge moves with constant velocity to the right through both a magnetic and electrostatic field. Which of the following conditions would allow for this to happen? Ignore effects from the force of gravity.

A

B-field toward bottom of screen E-field toward bottom of screen.

B

B-field to the right side of the screen E-field toward the bottom of the screen.

C

B-field out of the screen E-field toward the top of the screen.

D

B-field out of the screen E-field toward the bottom of the screen.

E

B-field into the screen E-field also into the screen